Specific learning disability. A disorder in one or more of the basic
psychological processes involved in understanding or using language, spoken or
written, which may manifest itself in an imperfect ability to listen, think,
speak, write, spell, or to do mathematical calculations; this includes perceptual
handicaps, brain injury, minimal brain disfunction, dyslexia, and developmental
aphasia, but does not include learning problems resulting from visual, hearing, or
motor handicaps, or from mental retardation.
Seriously emotionally disturbed. Exhibition of behavior disorders over a
long period of time that adversely affect educational performance; this includes
an inability to learn that cannot be explained by intellectual, sensory, or health
factors; an inability to build or maintain satisfactory interpersonal
relationships with peers and teachers; inappropriate types of behaviors or
feelings under normal circumstances; a general pervasive mood of unhappiness or
depression; or a tendency to develop physical symptoms or fears associated with
personal or school problems.
Speech impaired. Communication disorders, such as stuttering, impaired
articulation, language or voice impairments, that adversely affect educational
Mentally retarded. Significantly subaverage general intellectual
functioning with concurrent deficits in adaptive behavior that were manifested in
the development period and that adversely affect educational performance.
Visually impaired. A visual impairment that, even with correction,
adversely affects educational performance, including students who are partially
sighted or completely blinded.
Hard of hearing. A hearing impairment, permanent or fluctuating, that
adversely affects educational performance but that is not included in the deaf
Deaf. A hearing impairment that is so severe that the child is impaired in
processing linguistic information through hearing, with or without amplification,
which adversely affects educational performance.
Orthopedically impaired. A severe orthopedic impairment that adversely
affects educational performance, including those caused by congenital anomaly,
disease, or other causes.
Other health impaired. Limited strength, vitality, or alertness due to
chronic or acute health problems that adversely affect educational performance
(includes autistic students).
Multiply handicapped. Concomitant impairments, the combination of which
causes such severe educational problems that they cannot be accommodated in
special education programs solely for one of the impairments (does not include
Deaf/blind. Concomitant hearing and visual impairments, the combination of
which causes such severe communication and other developmental and educational
problems that they cannot be accommodated in special education programs solely for
deaf or blind students.